My mother often spends 2 hours ______ housework every day.
| A．do | B．does | C．doing | D．to do |
My father is sleeping, but the radio is too noisy. Can you ___________?
| A．turn down it | B．turn it off |
| C．turn it up | D．turn off it |
We need ___________ people to finish the job.
| A．hundreds of | B．hundred of |
| C．3 hundreds | D．3 hundred of |
_________ the __________ of the class, he played a very beautiful song.
| A．In, begin | B．At, begin |
| C．In, beginning | D．At, beginning |
Are you sure _________ the way to the library? I don’t want to get lost.
| A．in | B．with | C．about | D．for |
I want to be _________ engineer when I grow up.
| A．a | B．an | C．the | D．\ |